---
type: "Bill"
title: "Relating to approval for purchases of property or construction projects by a state agency with self-directed semi-independent status."
description: "Relating to approval for purchases of property or construction projects by a state agency with self-directed semi-independent status."
jurisdiction: "us/states/tx"
legislature: "Texas Legislature"
session: "86"
identifier: "SB 646"
citation: "Texas SB 646 (86)"
classification: ["bill"]
subjects: ["Governor (I0375)", "Occupational Regulation--Other Trades & Professions (I0541)", "Property Interests--Real Property (I0595)", "Purchasing--State (I0643)", "State Agencies", "Boards & Commissions (I0749)", "State Finances--Management & Control (I0748)", "FACILITIES COMMISSION", "TEXAS (V0780)"]
status: "enacted"
primary_sponsors: ["Birdwell", "Buckingham", "Hall", "Thompson, Senfronia"]
version_count: 1
action_count: 53
vote_count: 3
first_action: "2019-02-05"
last_action: "2019-05-31"
source: "openstates"
source_identifier: "ocd-bill/2498db76-bec0-4dae-8454-3b04f6e1f89b"
source_url: "ftp://ftp.legis.state.tx.us/bills/86R/billhistory/senate_bills/SB00600_SB00699/SB 646.xml"
source_hash: "fb02549d75a6f7d21387fd9ee5634ea2c15022d0e4a2c7c80b7cf1e406c08e94"
vintage: "2026-07-01"
source_snapshot: "https://data.openstates.org/daily/2026-07-01/public.pgdump"
retrieved_at: "2026-07-06"
confidence: "reported"
tags: ["legislation", "bill", "us-tx"]
---

# Texas SB 646 (86) — Relating to approval for purchases of property or construction projects by a state agency with self-directed semi-independent status.

## Version chain

The bill's text revisions, in order — the diff chain from filing to enrollment.

1. **Introduced** (filed) — [source](http://www.legis.state.tx.us/tlodocs/86R/billtext/html/SB00646I.HTM)

## Votes

- other — **0–0** (fail) · upper
- passage — **144–0** (pass) · lower
- other — **0–0** (fail) · upper

## Sponsors

- Birdwell — primary (person)
- Buckingham — primary (person)
- Hall — primary (person)
- Thompson, Senfronia — primary (person)
- Nichols — cosponsor (person)

## Timeline

The legislative action history — every referral, reading, and vote.

- **2019-02-05** Received by the Secretary of the Senate `filing`
- **2019-02-05** Filed `filing`
- **2019-02-19** Co-author authorized
- **2019-03-01** Read first time `introduction, reading-1`
- **2019-03-01** Referred to Business & Commerce `referral-committee`
- **2019-03-19** Scheduled for public hearing on . . .
- **2019-03-19** Considered in public hearing
- **2019-03-19** Left pending in committee
- **2019-03-21** Considered in public hearing
- **2019-03-26** Reported favorably w/o amendments `committee-passage-favorable`
- **2019-03-26** Recommended for local & uncontested calendar
- **2019-03-26** Committee report printed and distributed
- **2019-03-27** Placed on intent calendar
- **2019-04-01** Not again placed on intent calendar
- **2019-04-02** Placed on intent calendar
- **2019-04-04** Rules suspended-Regular order of business
- **2019-04-04** Vote recorded in Journal
- **2019-04-04** Read 2nd time `reading-2`
- **2019-04-04** Amendment(s) offered `amendment-introduction`
- **2019-04-04** Amended `amendment-passage`
- **2019-04-04** Vote recorded in Journal
- **2019-04-04** Passed to engrossment as amended
- **2019-04-04** Vote recorded in Journal
- **2019-04-04** Three day rule suspended
- **2019-04-04** Record vote
- **2019-04-04** Read 3rd time `reading-3`
- **2019-04-04** Passed `passage`
- **2019-04-04** Record vote
- **2019-04-04** Reported engrossed
- **2019-04-05** Received from the Senate `introduction`
- **2019-04-08** Read first time `introduction, reading-1`
- **2019-04-08** Referred to State Affairs `referral-committee`
- **2019-04-25** Scheduled for formal meeting on . . .
- **2019-04-25** Considered in formal meeting
- **2019-04-25** Reported favorably w/o amendment(s) `committee-passage`
- **2019-05-02** Comte report filed with Committee Coordinator
- **2019-05-02** Committee report distributed
- **2019-05-03** Committee report sent to Calendars
- **2019-05-10** Considered in Calendars
- **2019-05-14** Placed on Major State Calendar
- **2019-05-14** Read 2nd time `reading-2`
- **2019-05-14** Passed to 3rd reading
- **2019-05-15** Read 3rd time `reading-3`
- **2019-05-15** Passed `passage`
- **2019-05-15** Record vote
- **2019-05-15** Statement(s) of vote recorded in Journal
- **2019-05-15** House passage reported
- **2019-05-15** Reported enrolled
- **2019-05-16** Signed in the Senate
- **2019-05-17** Signed in the House
- **2019-05-17** Sent to the Governor `executive-receipt`
- **2019-05-31** Signed by the Governor `executive-signature`
- **2019-05-31** Effective on 9/1/19 `became-law`

## Source

OpenStates / OpenCivicData bulk snapshot [2026-07-01](https://data.openstates.org/daily/2026-07-01/public.pgdump); origin `ocd-bill/2498db76-bec0-4dae-8454-3b04f6e1f89b`. Confidence: reported (aggregated from official Texas legislature records).